Cited by 18Epilepsy research and treatmentNeuroinflammation and Neurodegeneration MechanismsTryptophan and brain disorders

Wistar Audiogenic Rats (WAR) exhibit altered levels of cytokines and brain-derived neurotrophic factor following audiogenic seizures

de Souza Bernardino, Túlio Cezar, Teixeira, Antonio Lúcio, Miranda, Aline Silva, Guidine, Patrícia Maia, Rezende, Gustavo, Doretto, Maria Carolina, Castro, Gabriel Perfeito, Drummond, Luciana +4 more·2015·Neuroscience Letters

Abstract

Increasing body of evidence suggests that inflammatory and neurotrophic factors might be important for epileptogenesis. Most animal studies demonstrated altered levels of these mediators in drug-induced models of seizures and epilepsy. In the present study, we investigated the production of cytokines and a neurotrophin in the brain of Wistar Audiogenic Rats (WAR), a genetic model of epilepsy, stimulated with high-intensity sound. Four hours after stimulation, animals were decapitated and the hippocampus, inferior colliculus, striatum and cortex were removed for evaluation of the levels of interleukin (IL)-1β, IL-6, tumor necrosis factor (TNF)-α and brain derived neurotrophic factor (BDNF). All the cytokines and BDNF levels were increased in the cortex. Increased levels of TNF-α and IL-6 were also observed in the striatum. Finally, TNF-α also increased in the inferior colliculus after the seizures induced by high-intensity sound. Although different studies have demonstrated that the levels of cytokines and BDNF increase in animal models of epilepsy induced by chemical stimuli, we provided here evidence that these mediators are also increased in WAR, a genetic model of epilepsy. Thus, the observed increase in these mediators might be involved in the pathophysiology of epilepsy.

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Crossref · 10.1016/j.neulet.2015.04.046

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Authors
de Souza Bernardino, T. C., Teixeira, A. L., Miranda, A. S., Guidine, P. M., Rezende, G., Doretto, M. C., Castro, G. P., Drummond, L., Moraes, M. F. D., Tito, P. A. L., de Oliveira, A. C. P., & Reis, H. J.
Affiliations
Universidade Federal de Minas Gerais (BR)
Corresponding author
Reis, Helton José
Venue
Neuroscience Letters
Publisher
Elsevier BV
Published
2015-06
Volume
597
Pages
154-158
ISSN
0304-3940 (ISSN-L)
OpenAlex
W1967695623
Cited by
18
References
43
Citations by year
2024: 1 · 2023: 2 · 2022: 2 · 2021: 1 · 2020: 2 · 2019: 1 · 2018: 4 · 2017: 3 · 2016: 1 · 2015: 1
FWCI
2.45
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience Letters (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Epilepsy research and treatment
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
Keywords
Wistar audiogenic rat, audiogenic seizures, genetic epilepsy model, cytokines, brain-derived neurotrophic factor, IL-1β, interleukin-6, TNF-α, neuroinflammation, epileptogenesis, inferior colliculus, striatum, cortex, hippocampus
MeSH terms
Acoustic Stimulation, Animals, Brain, Male, Seizures, Tumor Necrosis Factor-alpha, Cytokines, Rats, Wistar, Brain-Derived Neurotrophic Factor, Interleukin-1beta

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